EN 10025-2 S450J0 Steel Plate | S450J0 Structural Steel
What is EN 10025-2 S450J0 Steel Plate?
As a professional steel plate supplier and China Mill-Direct Exporter, SHH STEEL is pleased to present EN 10025-2 S450J0 Steel Plate (Material Number: 1.0590).
S450J0 is a high-strength non-alloy structural steel under the European standard EN 10025-2. It provides a minimum yield strength of 450 MPa (for thickness ≤ 16 mm) and is impact tested at 0°C with a minimum energy of 27 J. This grade offers significantly higher strength than the S355 series while maintaining reasonable weldability and formability. SHH STEEL sources this material directly from leading Chinese steel mills, ensuring competitive mill-direct pricing, stable quality and reliable delivery.
We supply S450J0 steel plate in thicknesses from 6 mm to 150 mm (thicker plates available on request), widths up to 3000–4000 mm, and lengths up to 12000–18000 mm. Custom cutting, shot blasting and priming services are available. All plates are delivered with full Mill Test Certificates (EN 10204 3.1).
Material Specification
EN 10025-2 S450J0 steel plate is produced in accordance with EN 10025-2.
| Specification Element | Requirement | SHH STEEL Compliance |
|---|---|---|
| Primary Standard | EN 10025-2 | Full compliance |
| Steel Grade | S450J0 (1.0590) | Confirmed |
| Delivery Condition | +AR (As-rolled) or +N (Normalized) | Available |
| Product Form | Steel Plate | Available |
| Thickness Range | 6 mm – 150 mm | Custom sizes available |
| Width / Length | Up to 3000–4000 mm / 12000–18000 mm | Custom cutting supported |
| Certification | EN 10204 3.1 / 3.2 | Available |
Chemical Composition
According to EN 10025-2, the chemical composition is specified for both ladle analysis (cast analysis) and product analysis.
Ladle Analysis (Cast Analysis)
| Element | Thickness ≤ 40 mm | Thickness > 40 mm | Max. Limit |
|---|---|---|---|
| Carbon (C) | ≤ 0.20% | ≤ 0.22% | — |
| Silicon (Si) | ≤ 0.55% | ≤ 0.55% | — |
| Manganese (Mn) | ≤ 1.70% | ≤ 1.70% | — |
| Phosphorus (P) | ≤ 0.030% | ≤ 0.030% | — |
| Sulfur (S) | ≤ 0.030% | ≤ 0.030% | — |
| Nitrogen (N) | ≤ 0.025% | ≤ 0.025% | — |
| Copper (Cu) | ≤ 0.55% | ≤ 0.55% | — |
Product Analysis
| Element | Max. Limit (%) |
|---|---|
| Carbon (C) | 0.23 – 0.24 |
| Silicon (Si) | 0.60 |
| Manganese (Mn) | 1.80 |
| Phosphorus (P) | 0.040 |
| Sulfur (S) | 0.040 |
| Nitrogen (N) | 0.027 |
| Copper (Cu) | 0.60 |
Note:
- S450J0 is fully killed (FF).
- The steel may contain small amounts of Nb, V or Ti for grain refinement.
- Carbon Equivalent (CEV) is controlled to ensure acceptable weldability.
Mechanical Properties
Mechanical properties of EN 10025-2 S450J0 (longitudinal direction):
| Thickness (mm) | Yield Strength ReH (min) | Tensile Strength Rm | Elongation A (min) | Impact Energy KV (min) |
|---|---|---|---|---|
| ≤ 16 | 450 MPa | 550 – 720 MPa | 17% | 27 J at 0°C |
| > 16 ≤ 40 | 430 MPa | 550 – 720 MPa | 17% | 27 J at 0°C |
| > 40 ≤ 63 | 410 MPa | 550 – 720 MPa | 17% | 27 J at 0°C |
| > 63 ≤ 80 | 390 MPa | 550 – 720 MPa | 17% | 27 J at 0°C |
| > 80 ≤ 100 | 380 MPa | 550 – 720 MPa | 17% | 27 J at 0°C |
| > 100 ≤ 150 | 380 MPa | 530 – 700 MPa | 17% | 27 J at 0°C |
Density: 7.85 g/cm³
Delivery Conditions
SHH STEEL, as a China Mill-Direct Supplier, supplies EN 10025-2 S450J0 steel plate mainly in the following conditions:
- +AR (As-rolled)
- +N (Normalized) – recommended for better toughness and uniformity
Additional options:
- Shot blasting and shop primer
- Ultrasonic testing (EN 10160)
- Z-direction testing (Z15 / Z25 / Z35)
- Third-party inspection (SGS, BV, TUV, etc.)
Tolerances
Dimensional tolerances for S450J0 steel plate follow EN 10029 (for plates) or EN 10051 (for strips).
- Thickness, width and length tolerances according to the ordered class.
- Flatness according to EN 10029.
- Edge conditions: Mill edge or cut edge (flame / plasma).
Tighter tolerances can be provided upon request.
Weldability
S450J0 has moderate weldability due to its higher strength and carbon equivalent. Preheating is generally required for thicker plates. Low-hydrogen consumables and controlled heat input are strongly recommended. Post-weld heat treatment may be necessary depending on thickness and design requirements.
Equivalent Material Grades
| Grade | Standard | Notes |
|---|---|---|
| S450J0 | EN 10025-2 | — |
| 1.0590 | EN | Material number |
| Q460C (approx.) | GB/T 1591 | Closest Chinese equivalent |
| High-strength structural | ASTM / Other | Approximate |
Applications
EN 10025-2 S450J0 is used in structural applications requiring higher strength than S355 grades. Typical uses include:
| Application Area | Typical Components / Uses (Keywords) |
|---|---|
| Building Structures | Heavy beams, columns, high-load frames – S450J0 Structural Steel |
| Bridges | Bridge components – S450J0 Bridge |
| Machinery | Heavy equipment frames – S450J0 Machinery |
| Construction | High-strength construction – S450J0 Construction |
| Industrial Structures | Heavy industrial frameworks – S450J0 Industrial |
| General Fabrication | High-strength welded structures – S450J0 Fabrication |
Why Choose SHH STEEL
SHH STEEL is a China Mill-Direct Exporter. We maintain long-term strategic cooperation with major Chinese steel mills and act as a first-level (primary) agent. This direct mill supply model allows us to offer competitive mill-direct pricing, faster delivery times, stable and traceable quality, and full Mill Test Certificates (EN 10204 3.1 / 3.2) for EN 10025-2 S450J0 Steel Plate.
Customers benefit from reliable supply, short lead times and cost-effective solutions for high-strength structural steel projects worldwide. Our professional export team provides technical support and customized processing services to meet project requirements.
FAQ
- What does the “J0” in S450J0 mean?“J0” indicates that the steel meets the impact energy requirement of minimum 27 J at 0°C.
- What is the main advantage of S450J0 compared with S355J2?S450J0 has a significantly higher minimum yield strength (450 MPa vs 355 MPa), allowing for lighter structural designs under higher loads.
- Is S450J0 easy to weld?It has moderate weldability. Preheating and low-hydrogen welding procedures are recommended, especially for thicker plates.
Conclusion
EN 10025-2 S450J0 (1.0590) Steel Plate from SHH STEEL provides high strength (450 MPa yield) combined with 0°C impact toughness for demanding structural applications. As a China Mill-Direct Exporter, we offer competitive pricing, fast delivery and consistent quality backed by full mill certifications. Trust SHH STEEL for your S450J0 structural steel plate requirements.
Contact SHH STEEL today for stock availability, pricing and technical support. EN 10025-2 S450J0 Steel Plate, S450J0 steel plate, S450J0 structural steel, EN 10025 S450J0, S450J0 equivalent, S450J0 supplier, 1.0590
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